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Android: How can I get the current foreground activity (from a service)?
...ngResult()) that the service invokes
Have the activity register a callback or listener object with the service via bindService(), and have the service call an event method on that callback/listener object
Send an ordered broadcast Intent to the activity, with a low-priority BroadcastReceiver as back...
Restrict varchar() column to specific values?
Is there a way to specify, for example 4 distinct values for a varchar column in MS SQL Server 2008?
4 Answers
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What do these words mean in Git: Repository, fork, branch, clone, track?
...ar on the semantics here. They're all about copies/variants of a code+history unit, but past that I'm not sure I could say. Is this logical structure explained somewhere?
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What is a Java ClassLoader?
...
Taken from this nice tutorial from Sun:
Motivation
Applications written in statically compiled programming languages, such as C and C++, are compiled into native, machine-specific instructions and saved as an executable file. The process of combin...
How do I get user IP address in django?
...
def get_client_ip(request):
x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
if x_forwarded_for:
ip = x_forwarded_for.split(',')[0]
else:
ip = request.META.get('REMOTE_ADDR')
return ip
Make sure you have reverse prox...
How to do if-else in Thymeleaf?
...: the th:switch and th:case attributes introduced in Thymeleaf 2.0.
They work as you'd expect, using * for the default case:
<div th:switch="${user.role}">
<p th:case="'admin'">User is an administrator</p>
<p th:case="#{roles.manager}">User is a manager</p>
<...
Why are arrays covariant but generics are invariant?
...y versions of Java and C# did not include generics (a.k.a. parametric polymorphism).
In such a setting, making arrays invariant rules out useful polymorphic programs.
For example, consider writing a function to shuffle an array, or a function that tests two arrays for equality using the Objec...
What are libtool's .la file for?
What are libtool's .la files for? How are they used with a shared object?
3 Answers
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Facebook Open Graph not clearing cache
...eems as though Facebook is caching old values of my meta tags. Old values for Attributes og:title and og:url are still used, even though I have changed them already.
...
ASP.NET MVC Controller Naming Pluralization
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Some MVC Frameworks use plurals, however the MVC project templates contains a controller called AccountController thus suggesting singlular naming.
It doesn't matter. As with most things in the Asp.net MVC framework the choice is yours. Th...